The graph on the BMI calculator is incorrect. While it is a pretty minor bug how many other "minor" bugs are in these tools. It's great to produce something fo

The graph on the BMI calculator is incorrect. While it is a pretty minor bug how many other "minor" bugs are in these tools. It's great to produce something for free but if it wouldn't have been more then a couple of hours work to verify each of these tools, write tests etc. Even better would have been to produce a open source library